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How to operate Chongqing Wanvei Manual Rockwell Hardness Tester

2026-05-27
Source: Wanvei Editor

Manual Rockwell Hardness Tester is a commonly used device for metal hardness testing. The hardness is determined by applying Test Force and MeasurementIndentation residual depth in two steps, as follows:

1、operationfront

(1)specimenprocessing

specimensurface need ,、 etc.defect,surface need grindingRa≤0.8μm,avoidprocessinghard;mostsmallthickdegreessmall in 2mm(thinspecimen need thick),Indentation and Indentationsidelarge in 3mm;rulespecimendedicatedworktablefixed,ensuretestingsurface and indentervertical。

(2)equipment and calibration

equipmentcomponentbad,pcs100mm need lowerlead screwprotectsets; by materialchooseindenter(used forHRA、HRC,used forHRB),installhoureliminateindenter and Axis;according toadjustmentTest Force,hour in state;calibrationspeed(1-8sec) and (error±1HRCinner),3-6pcsmonthcalibration。

2、operationstep

1. specimen:lead screw and worktable,willspecimen,ensure。

2. initialTest Force:hour, make specimen and indenterslow,smallpoint、large3vertical to upper,zero。

3. Test Force:slowafter(2-8sec),Test Force5sec(metal10-15sec),avoid。

4. Test Force:frontTest Force, etc.3-5secstable。

5. Hardness Value: by for should degrees(outerSimHei,innerbody),line and vertical。

6. heavytesting:lowerworktable,mobilespecimennewheavytesting,specimenfew5point(firstpoint), is mostfinalresult。

3、operationafterwork

Power Supply,willworktablemostlow,lowerspecimen;softindenter、worktable and lead screw,lowerindentersave; in ,Test Forcemostlow,setsgoodlead screwprotectsets and dustproof;lead screwlubrication,goodoperationrecord。

4、keyoperationpoint

operationall,avoidTest Forceimpact,worktableupperhourafter;testinghourindenter and specimen,specimenlightlight;surfacespecimen need currentlyerror,crack、testingpoint。


pointpcsmoremany

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